I am a new Zune 4 owner looking to buy some well insulating IEM. I use my player a lot in bus/subway so noise isolation is quite important. While not being a real audiophile I am looking for a gound sound. Right now I am torn between these three

Comply NR-1 (may even stretch for the NR10 if they are much better)

SoundMAGIC PL-30 (seems like really good value)

RE2+Fiio5 (Maybe the best balance?)

So around that price range what do you think is the best choice to go with my Zune?